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Rasmussen's aneurysm masquerading as mass lesion.

Satyajeet Sahoo1, Manoj Kumar Panigrahi1, Suprava Naik2

  • 1Pulmonary Medicine and Critical Care, All India Institute of Medical Sciences Bhubaneswar, Bhubaneswar, India.

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|February 19, 2020
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Summary

A 50-year-old smoker with a history of tuberculosis presented with mild haemoptysis. Imaging revealed Rasmussen's aneurysm, a rare cause of pulmonary artery pseudoaneurysm, typically presenting with severe bleeding.

Keywords:
radiologytuberculosis

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Area of Science:

  • Respiratory Medicine
  • Vascular Surgery
  • Radiology

Background:

  • Haemoptysis is a common respiratory symptom with variable severity.
  • Pulmonary tuberculosis history can predispose individuals to certain complications.
  • Rasmussen's aneurysm is a rare but potentially fatal condition involving pulmonary artery pseudoaneurysms.

Observation:

  • A 50-year-old male smoker with a history of treated pulmonary tuberculosis presented with a year of mild haemoptysis.
  • Chest radiography indicated a suspicious mass in the left upper lung.
  • Contrast-enhanced CT scan identified a pulmonary artery pseudoaneurysm, consistent with Rasmussen's aneurysm.

Findings:

  • The patient's presentation of mild haemoptysis was atypical for Rasmussen's aneurysm.
  • Rasmussen's aneurysm typically presents with severe, life-threatening haemoptysis.
  • The case highlights the varied clinical manifestations of this rare vascular anomaly.

Implications:

  • This case expands the clinical spectrum of Rasmussen's aneurysm presentation.
  • Early diagnosis and management are crucial for patients with haemoptysis, even if mild.
  • Further research into the pathogenesis and management of pulmonary artery pseudoaneurysms is warranted.